#031F40#031F40

#031F40 is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.071 H 254.6°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#031F40
RGB	rgb(3, 31, 64)
HSL	hsl(212, 91%, 13%)
HSV	hsv(212, 95%, 25%)
CMYK	cmyk(95.3%, 51.6%, 0%, 74.9%)
CIE-LAB	lab(11.75, 4.46, -23.95)
CIE-LCH	lch(11.75, 24.36, 280.55°)
OKLab	oklab(24.04% -0.019 -0.0688)
OKLCH	oklch(24.04% 0.071 254.6)
XYZ	xyz(1.4526, 1.3693, 5.0372)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031F40 #402403

analogous

#033D40 #031F40 #050340

triadic

#031F40 #40031F #1F4003

tetradic

#031F40 #40033D #402403 #034005

square

#031F40 #40033D #402403 #034005

split-complementary

#031F40 #400503 #3D4003

monochromatic

#010E1D #010E1D #031F40 #063B7A #0858B5

Accessibility & contrast

On white

16.49

#031F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#031F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031F40

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031F40	#FFFFFF	#000000	##FFFFFF
##031F40	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2241

Deuteranopia (green-blind)

#011C3F

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #031f40;
/* rgb */ color: rgb(3, 31, 64);
/* oklch */ color: oklch(24.0% 0.071 254.6);

Tailwind

colors: {
  custom: {
    50: '#505a75',
    500: '#031f40',
    950: '#000000',
  },
}

SCSS

$custom: #031f40;
$custom-light: #505a75;
$custom-dark: #000000;

JSON

{
  "hex": "#031f40",
  "rgb": {
    "r": 3,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 212.459,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24037,
    "c": 0.07136,
    "h": 254.6
  },
  "luminance": 0.01369
}

Semantic roles & 50–950 ramp

primary

#031F40

secondary

#82541D

accent

#9D29FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #031F40

Body copy rendered with the generated semantic roles for this colour.

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